<?php
    $cache_expire = 60*60*24*365;
    header("Pragma: public");
    header("Cache-Control: max-age=".$cache_expire);
    header('Expires: ' . gmdate('D, d M Y H:i:s', time()+$cache_expire) . ' GMT');
 ?>
 <script src="//connect.facebook.net/<?php echo $locale ?>/all.js"></script>